CN101116230A - Electrical connector assembly having at least two keying arrangements - Google Patents

Electrical connector assembly having at least two keying arrangements Download PDF

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Publication number
CN101116230A
CN101116230A CNA2006800041429A CN200680004142A CN101116230A CN 101116230 A CN101116230 A CN 101116230A CN A2006800041429 A CNA2006800041429 A CN A2006800041429A CN 200680004142 A CN200680004142 A CN 200680004142A CN 101116230 A CN101116230 A CN 101116230A
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CN
China
Prior art keywords
electric connector
box
keying
electric
opening
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CNA2006800041429A
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Chinese (zh)
Inventor
戴维·J·费边
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TE Connectivity Corp
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Tyco Electronics Corp
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Application filed by Tyco Electronics Corp filed Critical Tyco Electronics Corp
Publication of CN101116230A publication Critical patent/CN101116230A/en
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/64—Means for preventing incorrect coupling
    • H01R13/642—Means for preventing incorrect coupling by position or shape of contact members
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
    • H01R24/84—Hermaphroditic coupling devices

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  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)

Abstract

An electrical connector assembly is disclosed having a first and a second electrical connector. Each electrical connector includes a housing having electrical contacts therein wherein each contact of the first electrical connector mates or connects with a corresponding contact of the second electrical connector. A keying arrangement is provided having keying walls for inhibiting the mating except for mating a first electrical connector to a designated second electrical connector. Another keying arrangement is provided by two pairs of electrical contact housings fitted within interior cavities of the first and second electrical connectors. Each electrical contact housing includes a key sized to slip fit into an opposing opening of an electrical contact housing fitted within an interior cavity of either the first or second electrical connector. Each key is arranged so that the first and second electrical connector housings will mate only when the four keys are in mating alignment with their respective opening.

Description

Electric coupler component with at least two keying arrangements
Technical field
The present invention relates to a kind of keying arrangements that is used for electric coupler component, be used to prevent not to be the cooperation unintentionally of the electric connector that is used for cooperatively interacting.
Background technology
In electric equipment with interconnective a plurality of module or unit, expectation be that a kind of keyed system is set, it is right that it limits the plug and socket that will cooperate uniquely.In industrial circle, use many such systems.For example, U.S. Patent No. 4778411 discloses the electric connector box that cooperates, its have formation hexagon within it nested and comprise hexagonal external feature be arranged on locational any one of them the key of six unique angle.Each box has axle to aim at the key of correspondent button in other box.The cooperation of two boxes is prevented from, unless two keys are in the angle position of mutual complementation.The tip of key comprises that the groove that cooperates with the crimping towards interior of nested inside and breach end provide snap-action when being pressed into their base at key.
U.S. Patent No. 5370557 discloses the keying arrangements that is used for thin profile electrical connector.The opposite end of mated plug and socket has the box that passes completely through them and the polygonal hole that forms, and this box comprises relative polygonal axially aligned key.In the covering of extending from key of each key by a pair of wing is formed on the flange of the first surface of contiguous polygonal hole in the box and is maintained at separately polygonal hole from outstanding another the subsurface locking plate separating with first surface of key.
Need be on design and structure than the keying arrangements of more novel other of existing keying arrangements.Especially, need have the keying arrangements that patches of novel design and structure, can effectively not prevent from electric coupler component, to cooperate unintentionally the contact of first connector and the contact of second connector simultaneously with electrical specification at first and second connectors.Also need to have the connector latch with two connectors of interlocking electric coupler component of effectively to be connected of novel design and structure.
Summary of the invention
An aspect of of the present present invention provides a kind of keying arrangements that is used for electric coupler component, and it has two connector boxes, i.e. first and second connectors, and they are hermaphroditic or asexual.
Keying arrangements be the cooperation unintentionally or the connection of electric contact and the electric contact of second connector that prevents to have first connector of specific electrical specification effectively on the other hand with different electrical specification.
In the present invention, electric coupler component is disclosed has first and second electric connectors, and they are hermaphroditic or asexual, and promptly these two electric connectors are identical substantially.The corresponding keying wall that difference is each electric connector is laterally opposite about another electric connector.Convenience for the connection of two electric connectors describing electric coupler component at this, even because electric connector is the male and female coenosarcs as mentioned above, any one electric connector can be called as plug and socket, but for the diagram purpose, first electric connector is called as plug and second electric connector is called as socket.
Each plug and socket comprises the box that has electric contact in it, wherein the corresponding contacts of the contact contact base of each plug.First keying arrangements is set for the correct location that plug and socket during connecting is guaranteed in polarization.
Second keying arrangements is used to suppress or prevent the cooperation of two identical connector boxes by the electric coupler component setting, and for example battery connector box and another battery connector box cooperates.Second keying arrangements comprises the corresponding keying wall on the opposite face that is formed on the keying wall on the plug one side and is formed on socket, so when plug and socket axially aligns, the keying wall interlocking of two connector boxes.
The 3rd keying arrangements is provided to prevent to have the cooperation unintentionally of electric contact and the electric contact of the socket with different electrical specification of the plug of specific electrical specification.By two pairs of electrical contact housings the 3rd keying arrangements is set partly, wherein each electrical contact housings is installed in the corresponding inner chamber of one of them electric connector box.Especially, each is installed in the key that electrical contact housings in the inner chamber of socket comprises the outer surface with rectangle, it is prescribed size with in the relative separately rectangular aperture that is slidingly mounted on corresponding electrical contact housings, and this electrical contact housings is installed in the inner chamber that has with the plug of the identical electrical specification of socket.
Similarly, each electrical contact housings that is installed in the inner chamber that has with the plug of socket same electrical specification comprises the corresponding key with rectangle outer surface, it is prescribed size with in the relative rectangular aperture that is slidingly mounted on corresponding electrical contact housings, and this electrical contact housings is installed in the inner chamber that has with the socket of the identical electrical specification of plug.Each key is set, thereby only makes that when four keys cooperated aligning and two connector boxes to axially align with their corresponding openings, the plug and socket box just cooperated.
For the cooperation unintentionally of electric contact with the electric contact of socket of the plug that prevents to have specific electrical specification, has the spacing difference between the chamber of connector box of different electrical specification with different electrical specification.This prevents that axle from aiming at, and the key of the electrical contact housings in therefore cooperating the key that is installed in electrical contact housings in the plug and being installed in the socket that has with the different electrical specification of plug.Locking device is set up by first keying arrangements that is used for locking receptacles and plug, thus each key in the locking respective openings when socket and plug have identical electrical specification.
Description of drawings
Fig. 1 is the perspective view of electric coupler component of the present invention, is used to show first and second connector boxes or cooperates preceding socket and plug;
Fig. 2 is the decomposition diagram of electric coupler component, is used for showing the electrical contact housings that shifts out from plug and socket;
Fig. 3 is the enlarged perspective that is presented at the plug among Fig. 1, is used to show its mating surface;
Fig. 4 is the enlarged perspective that is presented at the plug among Fig. 1, is used to show that it is electrically connected face;
Fig. 5 is the enlarged perspective that is presented at the socket among Fig. 1, is used to show its mating surface;
Fig. 6 is the enlarged perspective that is presented at the socket among Fig. 1, is used to show that it is electrically connected face;
Fig. 7 is the perspective view that plug and socket cooperates fully;
Fig. 8 is the profile along the line 8-8 among Fig. 7;
Fig. 9 a-9f is the perspective view of electric coupler component of the present invention, is used to show the electrical contact housings that has different spacing for the plug and socket with different electrical specification therebetween.
Embodiment
The embodiment of electric coupler component of the present invention will be described in detail with reference to the accompanying drawings, and the label in the accompanying drawing shows similar or similar elements.Term for example " on ", D score, " side ", " end " relate to the location of figure or the direction of member, and used simply for convenience.
In the present invention, electric coupler component is disclosed has first and second electric connectors, and they are hermaphroditic or asexual, and promptly these two electric connectors are identical substantially.A main distinction is that the corresponding keying wall of each electric connector is laterally opposite with respect to all the other connectors that below will describe.Convenience for the connection of two electric connectors describing electric coupler component at this, even because electric connector is the male and female coenosarcs as mentioned above, any one electric connector can be called as plug and socket, but for the diagram purpose, first electric connector is called as plug and second electric connector is called as socket.
Fig. 1-8 shows that electric coupler component 10 according to the present invention has first electric connector or socket 12 and second electric connector or plug 14, and can connect along cooperation or connecting axle A.Socket 12 and plug 14 have insulation booth 16,60, it is identical with cardinal principle in the design in shape, and comprise complementary substantially keying arrangements, be used to polarize and guarantee the correct location of socket 12 and plug 14, and be used to guarantee have the cooperation or the connection of socket 12 with the plug 14 of specific electrical specification with identical electrical specification.
First keying arrangements of electric coupler component 10 is set for polarization to guarantee the correct location of socket 12 and plug 14.First keying arrangements comprises the holding device with two locking plate 100a, 100b, and each locking plate is arranged on corresponding mounting points on the insulation booth 16,60.Preferably each locking plate 100a, 100b and insulation booth 16,60 integral body form and comprise top 102, and its structure and size can be accommodated in respectively in the corresponding opening 50,66 that is limited by insulation booth 16,60.Each locking plate 100a, 100b can pivot with respect to its mounting points, cause it to pivot along the specific direction on the top 102 of the part of contact box 16 or 60 thus.
The top 102 of each locking plate further is configured and given size, for final specific direction relatively pivots in latch-up structure contact box 16 or 60 surface, be used for cooperating two boxes 16,60 also to be used to keep two boxes to be in interlocking structure shown in Fig. 7 and 8.If two boxes 16,60 not relative to each other or fitted shaft correctly located, two locking plate 100a, 100b can not be received and can make in the respective openings 50,66 that two boxes 16,60 can cooperate and keep.
Each box 16,60 comprises the arched member 104 (Fig. 3 and 5) around each locking plate 100a, 100b.The nearest portion 106 of each locking plate 100a, 100b is along the domes projection so that with the fastening of insulation booth 16,60 when it is connected is set.In order further to be convenient to the fastening of box 16,60, thus the part of the nearest portion 106 of the projection of each locking plate 100a, 100b also projection form fasteners 108 on it.
The insulation booth 16 of socket 12 preferably as shown in Fig. 5 and 6, has pair of sidewalls 18a, 18b, three end wall 20a, 20b, 22, roof 23a and diapire 23b.All walls have defined rectangular inner cavity 24,26 (Fig. 2) together, are used for receiving therein respectively rectangular electrical contact housings 28,30.Electrical contact housings the 28, the 30th, the electrical contact housings that can be purchased off the shelf well known in the art.Yet, expectedly be, for the box 28,30 that Custom Design is installed within it, therefore correspondingly Custom Design electrical contact housings 28,30 and configure cavities 24,26.Preferably, in order easily to distinguish positive pole and negative terminal, electrical contact housings 28,30 has colour code.
End wall 20a is outstanding from the end of end wall 20b, limits the lateral sidewalls 20c with first wall 20c1 and second wall 20c2 (Fig. 5).Each comprises step 21a, 21b the first and second wall 20c1,20c2.The part of electrical contact housings 28,30 is supported on the first and second wall 20c1, the 20c2, contiguous step 21a, 21b.Three end wall 20a, 20b, 20c have defined keying wall 20 together, and it is the part of second keying arrangements, are used to guarantee that the socket 12 of expecting cooperates rather than other socket with the plug 14 of expection.For example, second keying arrangements guarantees that charging socket cooperates with battery plug rather than other charging socket.If attempt to cooperate socket 12 and other socket, the keying wall 20 of two sockets will can be along the fitted shaft interlocking.
The part of roof 23a is cut to define rectangular aperture 50, step wall 52 and substantially perpendicular to sidewall 54a, the 54b (Fig. 5) of end wall 20a, 20b.The part 56 of roof 23a is along arcuation structure projection, so that and the fastening of insulation booth 16 when socket 12 cooperates with plug 14 be set.In order further to be convenient to the fastening of socket 12, the part of the roof 23a of projection is also by projection, to form the fasteners 58 on it.Part 56 is located immediately at the back of rectangular aperture 50 and step wall 52.
Plug 14 comprises insulation booth 60, preferably as shown in Fig. 3 and 4, and has substantially structure with the structural similarity of socket 12.Even the structure of plug 14 substantially with the structural similarity of socket 12, for electric coupler component 10 is described fully, provide explanation to plug 14 structures at this.
The insulation booth 60 of plug 14 has pair of sidewalls 60a, 60b, three end wall 62a, 62b, 64, roof 65a and diapire 65b.All walls have defined rectangular inner cavity 44,46 (Fig. 2) together, are used for receiving respectively the rectangular electrical contact housings 40,42 in it. Electrical contact housings 40,42 is structurally similar to electrical contact housings 28,30.Electrical contact housings the 40, the 42nd, used electrical contact housings known in the art.Yet, expectedly be, for the box 40,42 that Custom Design is installed within it, correspondingly Custom Design electrical contact housings 40,42 and configure cavities 44,46.Preferably, in order easily to distinguish positive pole and negative terminal, electrical contact housings 40,42 has colour code.
End wall 62a is outstanding from the end of end wall 62b, limits the lateral sidewalls 62c with first wall 62c1 and second wall 62c2.Each comprises step 63a, 63b the first and second wall 62c1,62c2.The part of electrical contact housings 40,42 is supported on the first and second wall 62c1, the 62c2, contiguous step 63a, 63b.Three end wall 62a, 62b, 62c have formed keying wall 62 together, and it is complementary fully and a part that also form second keying arrangements for keying wall 20.
The part of roof 65a is cut to define rectangular aperture 66, step wall 68 and substantially perpendicular to sidewall 70a, the 70b (Fig. 3) of end wall 62a, 62b.The part 72 (Fig. 8) of roof 65a is along arcuation structure projection, so that the fastening of insulation booth 60 when socket 12 cooperates with plug 14 to be set.In order further to be convenient to the fastening of plug 14, the part of the roof 65a of projection is projection also, to form the fasteners 74 on it.Part 72 is located immediately at the back of rectangular opening 66 and step wall 68.
Inner chamber 24,26 and electrical contact housings 28,30 preferably as shown in Figure 2, comprise complementary groove and projection, and it is configured and given size, are fitted to each other respectively in order to be inserted in the inner chamber 24,26 when electrical contact housings 28,30.In order to cooperate with electric contact 38 in the electrical contact housings 40,42 of plug 14 when plug 12 cooperates with plug 14, electric contact 34 is set in the electrical contact housings 28,30. Electric contact 34,38 has curling wire or other electric structure, is used to be connected to electric wire. Electrical contact housings 40,42 is configured and given size, in the inner chamber 44,46 that is installed in plug 14.
Electric coupler component 10 provides the 3rd keying arrangements, prevents to cooperate unintentionally the electric contact 34 of the plug 14 with specific electrical specification and the electric contact 34 of the socket 12 with different electrical specification, will further specify hereinafter.The 3rd keying arrangements partly is provided with by two pairs of electrical contact housings 28,30,40,42.Each electrical contact housings is configured and given size, in order to be installed in by in one in the inner chamber 24,26,44,46 of the wall of electric connector box 16,60 definition.Be installed in each electrical contact housings 28,30 in the inner chamber 24,26 of socket 12 and comprise separately key 80,82 (Fig. 5).Each key 80,82 has the outer surface of rectangular shape, it is prescribed among opening 48c, the 48d (Fig. 3) of relative rectangular shape that size is slidably mounted to corresponding electrical contact housings 40,42, and electrical contact housings is installed in the inner chamber 44,46 that has with the plug 14 of the same electrical specification of socket 12.
Similarly, be installed in each electrical contact housings 40,42 in the inner chamber 44,46 of plug 14 and comprise separately key 84,86 (Fig. 3), each key has the outer surface of rectangular shape and is prescribed size, thereby be slidably mounted among opening 48a, the 48b (Fig. 2 and 5) of the relative rectangular shape of corresponding electrical contact housings 28,30, electrical contact housings is installed in the inner chamber 24,26 that has with the socket 12 of the same electrical specification of plug 14.Each key is installed, thereby is only made that box 16,60 just cooperates when four keys cooperate aligning and two boxes 16,60 to axially align with their corresponding openings.Provide holding device that each key in two pairs of keys is remained in its corresponding opening by first keying arrangements.
Cooperation unintentionally for electric contact 34 with the electric contact 34 of socket 12 of the plug 14 that prevents to have specific electrical specification with different electrical specification, the spacing difference that the 3rd keying arrangements is provided with between the chamber 24,26,44,46 of the connector box 16,60 with different electrical specification is shown in Fig. 9 a-9f.Have between first and second electric connectors of different electrical specification or the different spacing between socket 12 and the plug 14 prevents to axially align and be installed in cooperating of key 80,82,84,86 and their respective aperture 24,26,44,46 in these electric connectors, and so mating electrical connector or socket 12 and plug 14.
With reference to figure 9a-9f, the electric coupler component 10a-10f of six kinds of different electrical specification is shown.The electrical specification of socket 12a and plug 14a is 6V, 4Ah; The electrical specification of socket 12b and plug 14b is 6V, 10Ah; The electrical specification of socket 12c and plug 14c is 12V, 12Ah; The electrical specification of socket 12d and plug 14d is 18V; The electrical specification of socket 12e and plug 14e is 24V; The electrical specification of socket 12f and plug 14f is 32V.Correspondingly, the electrical plug device 10a-10f of each different electrical specification, between the chamber 44,46 of plug 14 or the spacing difference between the chamber 24,26 of socket 12, aim at and be installed in cooperating of electrical contact housings 28,30 in the chamber 24,26 electrical contact housings 40,42 interior with being installed in chamber 44,46 to prevent axle unintentionally.For the same structure that keeps socket 12 and plug 14 and size (each electric connector has same length, width and height) and no matter their electrical specification, between each chamber, limit well 110 for higher electrical specification assembly 10d-10f, shown in Fig. 9 d-9f, define two wells 112 for the low either side of electrical specification assembly 10a-10c, shown in Fig. 9 a-9c in the chamber.
Should understand above to describe and only be the open of specific embodiments and do not have a mind to limit scope of the present invention.Other possible modification is obvious and all modifications is obvious for those skilled in the art, and all modifications is limited by subsequently claim.

Claims (10)

1. electric connector system comprises:
Each has a plurality of electric connectors of at least two identical sizes and specific electrical specification, each described a plurality of electric connector comprises the box that is configured with given size, be used for only being connected to the box of at least one electric connector of described a plurality of electric connectors with identical electrical specification, each box further defines at least one chamber, is used for axially aligning with at least one chamber that is defined by other box during the connection of described box.
2. electric connector system as claimed in claim 1, wherein the electric connector of every pair of connection is provided with keying arrangements, is used to polarize guarantee the correct location of described electric connector during it connects.
3. electric connector system as claimed in claim 1, wherein the electric connector of every pair of connection is provided with keying arrangements, be used to suppress described connection, be connected to the connection of the designated second electrical connector of described a plurality of electric connectors except first electric connector of described a plurality of electric connectors.
4. electric connector system as claimed in claim 3, wherein said keying arrangements comprises by first keying wall of described first electric connector definition and the second keying wall that is defined by described second electric connector, wherein the first and second keying walls are substantially about complimentary to one another, be used for when described first and second electric connectors axially align, described first and second electric connectors can be connected along axle, the part of the described first keying wall of described first electric connector has defined opening, and the part of the described second keying wall of described second electric connector has defined corresponding opening, each opening has defined along the key receiving axes that is parallel to this, therefore when described first and second electric connectors connected, opening in described first electric connector and the described corresponding opening in described second electric connector axially aligned.
5. electric connector system as claimed in claim 4, wherein each keying wall comprises a plurality of surfaces, at least two surfaces on wherein said a plurality of surfaces are vertical substantially, and at least two surfaces on described a plurality of surfaces are coplanes substantially.
6. electric connector system as claimed in claim 4, further comprise locking device, it has to be configured with given size and is used to be received in first locking plate in the opening that is formed by described first electric connector box, and be configured with given size and be used to be received in second locking plate in the opening that forms by described second electric connector box, wherein said locking device keeps described box to be in latch-up structure.
7. electric connector system as claimed in claim 6, wherein each locking plate comprises the top with surface, is used to cooperate substantially the surface of described keying wall with respect to one of them of described first and second electric connector boxes.
8. electric connector system as claimed in claim 4, wherein each described opening be rectangle and each described box have corresponding rectangular profile.
9. electric connector system as claimed in claim 4, wherein each described box have size can be at one of them main body section that is slidingly installed of described opening.
10. electric connector system as claimed in claim 4, wherein each box comprises key, it comprises the Offset portion of extending forward from the rear portion of described keying wall, and when described box is slidably mounted in the corresponding opening, anterior concordant with described keying wall substantially, it is identical substantially and be provided with the 3rd keying arrangements to be installed in described box in the described electric connector thus.
CNA2006800041429A 2005-02-04 2006-01-31 Electrical connector assembly having at least two keying arrangements Pending CN101116230A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/051,077 2005-02-04
US11/051,077 US7108534B2 (en) 2005-02-04 2005-02-04 Electrical connector assembly having at least two keying arrangements

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Publication Number Publication Date
CN101116230A true CN101116230A (en) 2008-01-30

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US (1) US7108534B2 (en)
EP (1) EP1844530A1 (en)
JP (1) JP2008530735A (en)
CN (1) CN101116230A (en)
TW (1) TW200642191A (en)
WO (1) WO2006083920A1 (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107132627A (en) * 2017-07-03 2017-09-05 沈阳雷卓激光医疗器械有限公司 The detectable optical fiber interface structure of Medical Devices
CN109301621A (en) * 2018-09-28 2019-02-01 温州深极电子科技有限公司 A kind of locking automobile connector of anti-misoperation
CN109301621B (en) * 2018-09-28 2024-03-12 温州深极电子科技有限公司 Anti-misoperation anti-loose automobile connector
CN109449683A (en) * 2018-11-06 2019-03-08 上海航天测控通信研究所 A kind of anti-error connector assembly of electric connector

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US7108534B2 (en) 2006-09-19
US20060178029A1 (en) 2006-08-10
JP2008530735A (en) 2008-08-07
TW200642191A (en) 2006-12-01
WO2006083920A1 (en) 2006-08-10
EP1844530A1 (en) 2007-10-17

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